Run Failed After installing MAG NPM

The application works fine when running
npx zombiebox run

After installing MAG npm package
npm install zombiebox-platform-mag

The run stopped working. Here is the console message:

Loaded extension about
Loaded extension cutejs
Loaded extension dependency-injection
Loaded extension ui
Loaded platform lg
Could not create Application instance, CLI commands that require it will not work: Error: Trying to add not an addon: [object Object] (mag)